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Vespa LX 2012 User Manual

Vespa LX 2012
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Oil pressure check
- After removing the flywheel cover as described
in the "Flywheel" chapter, remove the electric con-
nexion of the minimum oil pressure switch and
then remove the switch.
- With the engine idling at 1750 rpm and the oil
temperature at ~90°C, check that the oil pressure
is between 0.5 to 1.2 atm.
- With the engine idling at 5000 rpm and the oil
temperature at ~90°C, check that the oil pressure
is between 3.2 to 4.2 atm.
- Remove the appropriate tools once the meas-
urement is complete, refit the oil pressure switch
and washer, tightening it to the specified torque
and fit the flywheel cover.
- If the oil pressure is not within the specified limits,
in the following order, check: the oil filter, the oil
by-pass valve, the oil pump and the crankshaft
seals.
N.B.
THE CHECK MUST BE CARRIED OUT WITH OIL AT THE
CORRECT LEVEL AND WITH AN OIL FILTER IN PROPER
CONDITION.
Characteristic
Oil pressure
Operating pressure
- At 1750 rpm: (0.5 to 1.2)bar
- At 5000 rpm: (3.2 to 4.2)bar
Locking torques (N*m)
Minimum oil pressure sensor 12 to 14
Crankshaft oil seals
Engine Vespa LX - S 125 3V ie 150 3V ie (2012)
ENG - 166

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Vespa LX 2012 Specifications

General IconGeneral
Engine TypeSingle-cylinder, 4-stroke
Displacement124 cc
Cooling SystemAir-cooled
Fuel SystemCarburetor
TransmissionAutomatic CVT
Fuel Tank Capacity8.6 liters
Seat Height785 mm
Curb Weight114 kg
Length1, 770 mm
Width705 mm
Height1, 140 mm
Max Power10.3 hp @ 7, 750 rpm
Front SuspensionSingle arm with coil spring and hydraulic shock absorber
Front Brake200 mm
Rear SuspensionCoil spring and hydraulic shock absorber
Rear Brake110 mm drum

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